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<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>产品列表</title>
</head>
<body>
    <h1>华为笔记本</h1>
    <h1>小米笔记本</h1>
    <h1>华为手机</h1>
    <h1>小米手机</h1>
</body>
</html>